Celebrate the 60th anniversary of the classic Peanuts Halloween special, It’s the Great Pumpkin, Charlie Brown, with special guests, live music, crafts, and costume and mustache contests. At 2 p.m., hear behind-the-scenes stories about the making of the animated film and a fun analysis of the first spooky Peanuts score. Come dressed in a Peanuts-themed costume or sporting your best Vince Guaraldi and Bill Melendez mustache to win prizes starting at 3 p.m.  Also, watch the special on the big screen, enjoy live music at 3:30 p.m., and explore hands-on crafts, including a printing activity with Arion Press. Saturday, October 17, from 1–5 p.m. Cost is included with admission. Free for members. The museum is located at 2301 Hardies Ln., Santa Rosa. Find full details at tinyurl.com/5chpx7fp.